<VV> <VV>RE: heaters

[Ron F Hinz]

All of which translates to "Stock is best"!
RonH

----- Original Message ----- 
From: "Bill Hubbell" <whubbell@cox.net>
To: <virtualvairs@corvair.org>
Sent: Saturday, July 10, 2004 12:56 PM
Subject: Re: <VV> <VV>RE: heaters


> The thing is, you can have your cake and eat it too if you simply block
off
> the hole in the top shroud ("turkey roaster") and remove the hose to the
> heater box (Early) or leave the hose disconnected from the top shroud
> (Late).  Now, when you depress the AIR lever (Early) or push the HEAT
lever
> halfway (Late), you draw cool air from the top of the engine compartment
but
> don't steal it from the engine itself.  Of course, you need to run the
> heater blower to get any airflow into the passenger compartment.  The
> situation gets more complicated, though, when you depress the HEAT lever.
> On an Early model, it is possible to have both the HEAT and AIR doors
fully
> open, and if you do that with the above setup and the heater blower not
on,
> you run the risk of recycling hot air from the bottom of the engine to the
> top of the engine compartment, which is obviously not too good for engine
> cooling.  Thus, you should never depress the AIR lever on an early with
the
> above setup unless the heater blower is turned on full blast.  On a late
> model this is less of a problem, as the one lever controls both heat and
air
> doors, and generally it is not possible to have both fully open at the
same
> time, but you should still probably run the heater blower if you leave the
> air intake open to the engine compartment.
>
> Of course, keep in mind that under any conditions where the engine blower
is
> moving more air than the heater blower (faster engine speeds/slower blower
> speeds) you may still get a recycling of hot air from the bottom to the
top
> of the engine, IF you leave the air intake open to the engine compartment.
>
> Bill Hubbell
>
>
>
> ----- Original Message ----- 
> From: <BobHelt@aol.com>
> To: <hyarnell1@earthlink.net>; <virtualvairs@corvair.org>;
> <wilk@cellbio.wustl.edu>
> Sent: Saturday, July 10, 2004 3:41 PM
> Subject: Re: <VV> <VV>RE: heaters
>
>
> > In a message dated 7/10/04 12:08:10 PM Pacific Daylight Time,
> > hyarnell1@earthlink.net writes:
> >
> > << And besides, why would you want to dilute the heated air with cool
air
> for
> >  cabin heat? Dumb design. >>
> >
> > Harry, I beg to differ.
> > It is not a dumb design at all. That is because the hot air coming off
the
> > engine can get very very hot: i.e., superhot. Hot enought to burn or at
> least be
> > extremely uncomfortable if you happen to have skin near an outlet. I can
> > verify this personally! So Chevrolet add a mixing mode whereby some of
the
> cooler
> > air from the top of the engine is added to the superheated air for a
more
> > comfortable feeling on the human body. Also maybe Chevrolet was trying
to
> avoid
> > any potential lawsuits from heater burns.
> > Regards,
> > Bob Helt
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